Tung Tau Wai () or Wang Chau Tung Tau Wai (), is a village in Wang Chau, Yuen Long District, Hong Kong.
Tung Tau Wai (referred to as 'Tung Tau Tsuen' in this context) is a recognized village under the New Territories Small House Policy. Tung Tau Wai is one of the 37 villages represented within the Ping Shan Rural Committee. For electoral purposes, Tung Tau Wai is part of the Ping Shan North constituency.
I Shing Temple or I Shing Kung () is a temple in Tung Tau Wai. Built in 1718, it is dedicated to Hung Shing and Che Kung. It was declared a monument in 1996.
Yu Yuen () is the largest house in Tung Tau Wai. Built in 1927 as a summer villa by Tsoi Po-tin () (1872-1944), a businessman born in the village, it was the private residence of the Tsoi family until 1990. The building was featured in the 1984 film Hong Kong 1941. It is listed as a Grade II historic building.
Tung Tau Wai San Tsuen () is a village adjacent to Tung Tau Wai, to its northeast.